Finding the Fourth Proportional to 130,740,927.84, 180,442,095.36 and 99,327,283.68
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Solution
The fourth proportional to 130,740,927.84, 180,442,095.36 and 99,327,283.68 is: 137,086,553.46
Step by Step Solution
- Step 1: Write the proportion equation
130,740,927.84 : 180,442,095.36 = 99,327,283.68 : x - Step 2: Convert to fraction form
130,740,927.84/180,442,095.36 = 99,327,283.68/x - Step 3: Cross multiply
130,740,927.84x = 180,442,095.36 × 99,327,283.68 - Step 4: Simplify right side
130,740,927.84x = 17,922,823,193,636,334 - Step 5: Solve for x
x = 17,922,823,193,636,334/130,740,927.84 - Step 6: Final answer
x = 137,086,553.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.